Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07447b191eef268921de236664ea06f3318d72c4e14c02a8210780a0b0f15b45' 
  AND token = 'S1HBcH2Khy6tueJ408maw5J9Xb9Mn/6yA+vOMTKzvhQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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