UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1w2P3dm6y1+BrbgRbNdUqQFg+4qUvxCDNyv8erKdrY=' 
WHERE 
  key_id = '855cdbb7a14c7238a2c04797da2d74bc55bc340b49f3ab3bd0924eea9ea965d1' 
  AND (
    token = 'r1w2P3dm6y1+BrbgRbNdUqQFg+4qUvxCDNyv8erKdrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )