Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72e6ce5abab35a8adc176c0eb751428af1845fe872fbf4d072c54cccce53c274' 
  AND token = 'gpi+p3ao2uHE73WcnjGLSw5rE7Gl9I7UMbDuirwPbxw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}