UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '+7B50yKPB0Qd+0puOko9I04PBjCnweGcH8NZISrInoc=' 
WHERE 
  key_id = '8dff92dbf16538b96a362985260f5e48367b691b6b0cad260ade5a359f6ab55a' 
  AND (
    token = '+7B50yKPB0Qd+0puOko9I04PBjCnweGcH8NZISrInoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )