Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aae22be7f977cc24f935a3de3f7459539e183cf7274cc83e4886117c0437c1d7' 
  AND token = '3D5Aqsh9wS0APXr2RFcC46ACU1lziXXIXa7bi+4Jl2M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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