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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'f7f1e45b39f4702d714336a2ddc9055e0322f4303116aad3caada8bc4e7ec032' 
  AND token = 'CIfMLhFIcOqIHLun5U/d4fSC3ofCXd3KEiXUE1ZB7vI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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