INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '971d37d3a23b657f7a8beb3a57c07f70a3471c9b5a96e083a875edbcf389e20d', 
    '/KWliNHCDZYGXNLwsEDFW4aP9dbWB+tYZzhT3/VQYEs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)