UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uvoQeRBDgR38yAcSFNvOPFfQqcgOFPRDIZyUCpFEraY=' 
WHERE 
  key_id = '6046f4945233e223875837ad27110550213c2ab809f0bebca29215fbab5a2b99' 
  AND (
    token = 'uvoQeRBDgR38yAcSFNvOPFfQqcgOFPRDIZyUCpFEraY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )