INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28df729939819919587a42402d79c3a0efaaa8e384464eb29b2608cb468167e3', 
    'O6k6VLIhOErG+QpZgUl2snKYworsMvOPvbZ8smHnZ+0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)