INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a0b6588c0c23e5b9f1f7aa6703b52c4148e40d930d62a02895db00995ab3a969', 
    'ikyoAeFub3XC8ASwVKhqTmkFYvsxUS//RF4iw6ybI+o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)