UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/BVsLjy7+nyN0XYPqgxiQuQl7R7F91VrXSUZYAHabCc=' 
WHERE 
  key_id = '6c21095bbcabc547a48784c072305125f1f1dbff6a2ebe0cd8d3bcf7495ef438' 
  AND (
    token = '/BVsLjy7+nyN0XYPqgxiQuQl7R7F91VrXSUZYAHabCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )