UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYCc9MHWTlslyHFsvSvMP2to5Ix9+QsS2qaOPf1f6X0=' 
WHERE 
  key_id = 'b27d00b82866364b1bf8d55911ab300ef029f8c8cda7a8d3a66436d01e12143a' 
  AND (
    token = 'MYCc9MHWTlslyHFsvSvMP2to5Ix9+QsS2qaOPf1f6X0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )