INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e3a7f281ceb58a08a0f6d7f0f42a1af8fa49504770d4dbb986eca3445bc50d9e', 
    '29e1vyC+NlNkdw22RyChrijAdTqlvGxn24ibR8U3Xvk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)