INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7dc321ad3aeb2fa03d166c4fee2d2f0661821f8e81e9bf94e11513ce2dd7934d', 
    'V7OjMEYVzZrOdQ7UOEthNeIOrg4LMHEQFWTdMBl1SGE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)