INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e5875a8badfb736cf560cac22bcdd31534b2a807c521c77bd77b09171ffb074e', 
    'MRLTCYdGFj1DYP6KtJB1PEJK1+DhUQ4tfTpwIlTsy7I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)