INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c6242fb531e59138cd000ddac658a0141313ce98e8e8261c66f6e8de33a4e20', 
    'WH2WgProhM110TzB1X4LMPpLStj7mnmn+YSycswe0NM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)