Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '23f99cdef451b1847f54c391c028a8fdf7044bcc12eebb0e514d634f5e5566f1' 
  AND token = 'GusoaGYEorPiNrFnrJF0EDdP71RFKsdXmA3mIoFcM28=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00142

JSON explain

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