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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0011be5baefedc2cb3d50fce3f82ad202e6572eb3277a937916a92a924fe8265' 
  AND token = 'qbKo7i0oG75gNrYPDyYn4FWeqPHq1FaPf9y6ylhykIE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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