INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6b693e853a2b845ca9edcb67d60b1770bca2959db04cfdeb082d36dae804ca7', 
    'enlT8xG/I3oqq27rTIfzrjP3uRFjaOFHm6ayq3E1DpY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)