INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51574fba297b3b402a347321b6b8184ce62c23528b5026c8f2e67331a3c745cb', 
    'mntDhqfzSrWPeyBGLxfkeFSR2u9iqoH11s/Mz7VbHJU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)