INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6fc4fd92f63f780e685e3592711d38d78955e793740eeea3f929d43bba67983', 
    'b2iDYY5Bri2kTQko5JvoBbjWf9w32JbkvHlzgYWKB5A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)